19489716

素因数分解:

$2^2\times 3^2\times {\mathrm{541381}}^1$

素因数の和:541391

約数の個数: 18

約数和(自身を含む): 49265762

約数和(自身を除く): 29776046

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 541381, 1082762, 1624143, 2165524, 3248286, 4872429, 6496572, 9744858, 19489716]

約数ペア:

[(1, 19489716), (2, 9744858), (3, 6496572), (4, 4872429), (6, 3248286), (9, 2165524), (12, 1624143), (18, 1082762), (36, 541381)]